Today on DELIVTERMS , the series here on Spam Resource where we help you decode deliverability and email terminology, we're looking at one of the core components of how email actually finds …
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By one reckoning, Yahoo Mail apparently has 225 million active users . That's nothing to sneeze at. And they've been there since nearly the beginning of webmail, having a…
Just a quick little peek at data today. This time around, it's month-by-month counts of MX records, in the top ten million domains, that point at servers with "Mimecast&…
Time for fun with a smaller data set! In my most recent snapshot of the top ten million domains list, just over 4200 of them are domains ending in the ".edu" TLD. The .…
Time to slice and dice my favorite dataset: the top ten million domains list. This thing provides me with endless fun and joy. Tracking something over time provides unique insig…
For a fun little multi mini-snapshot of MX domain data, let's take a look at Apple. What do they host, mail-wise, for who and for what domains? Wombatmail Data to the rescue…
If you're one of those weirdos (like me) who tracks what email providers hosts mail for what domains, you'll want to take note of this. In the email industry's ongoin…
When sending to Microsoft OLC (Outlook Consumer - i.e. hotmail.com, outlook.com, msn.com, live.com, etc.) domains, are you seeing this bounce message? Microsoft: 5.4.4 (unable to…
Let's compare B2C versus B2B deliverability issues, shall we? In the B2C (business-to-consumer) or DTC (direct-to-consumer) email marketing universe, the number of mailbox pr…
As expected, AOL announced yesterday that the MX records for their domains are being updated: As AOL and Yahoo come together under the OATH umbrella, we will merge the mail in…
The MX servers for Hotmail UK changed in DNS overnight. For those who are caching DNS or have hard coded DNS entries, you're going to run into problems with false positive &q…
